Formulas for hyperbolic functions Show that cosh z = cosh x cos y + i sinh x

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Formulas for hyperbolic functions

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cosh z = cosh x cos y + i sinh x sin y
sinh z = sinh x cos y + i cosh x sin y

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Advanced Engineering Mathematics

ISBN: 978-0470458365

10th edition

Authors: Erwin Kreyszig

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Question Posted: Oct 06, 2022 03:30 AM

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Formulas for hyperbolic functions Show that cosh z = cosh x cos y + i sinh x

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cosh z cosh x cos y i sinh x sin y sinh z sinh x cos y i cosh x sin y This can be proved by noting t...View the full answer

Advanced Engineering Mathematics

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